Home / 45,401.60-68,097.39-12,124.57

Finding the Fourth Proportional to 45,401.60, 68,097.39 and 12,124.57

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Solution

The fourth proportional to 45,401.60, 68,097.39 and 12,124.57 is: 18,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,401.60 : 68,097.39 = 12,124.57 : x
  2. Step 2: Convert to fraction form
    45,401.60/68,097.39 = 12,124.57/x
  3. Step 3: Cross multiply
    45,401.60x = 68,097.39 × 12,124.57
  4. Step 4: Simplify right side
    45,401.60x = 825,651,571.87
  5. Step 5: Solve for x
    x = 825,651,571.87/45,401.60
  6. Step 6: Final answer
    x = 18,185.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.